Atomic layer deposited HfO2 is a primary candidate for metal–oxide–semiconductor (MOS) power devices based on the ultra-wide bandgap semiconductor ?-Ga2O3. Here, we investigated thermal stability of this stack. Out-diffusion gallium into HfO2, measured by secondary ion mass spectroscopy depth profile, was observed after annealing at 900 °C. Electrical characterization MOS capacitors (MOSCAPs) s...

Ribose &phospha te (ribose-5-P) has been repor ted to be util ized by suspensions of ascites tumor cells (2). Since m a m m a l i a n cells are general ly considered to be impermeable to phosphory la ted sugars , it is desirable to find ou t whether the subs t ra te has entered the cells and has been metabolized intracel lular ly or whether the enzymes have been released f rom the cells and the...

Leaves of a pepper cultivar harboring the L(3) resistance gene were inoculated with Obuda pepper virus (ObPV), which led to the appearance of hypersensitive necrotic lesions approx. 72 h post-inoculation (hpi) (incompatible interaction), or with Pepper mild mottle virus (PMMoV) that caused no visible symptoms on the inoculated leaves (compatible interaction). ObPV inoculation of leaves resulted...

The basic mechanisms controlling the sweeping efficiency of propagating current sheets are investigated through experiments and analytical modelling. The sweeping efficiency of a current sheet in a parallel plate gas-fed pulsed plasma accelerator is defined as the ratio of the current sheet mass to the total available propellant mass. Permeability of neutrals through the sheet, and leakage of m...

A process of making a symmetrical self-aligned n-type vertical double-gate MOSFET (nVDGM) over a silicon pillar is revealed. This process utilizes the technique of oblique rotating ion implantation (ORI). The self-aligned region forms a sharp vertical channel profile and decreases the channel length Lg. A tremendous improvement in the drive-on current is noted. The electron concentration profil...

Lithium ion capacitors with liquid electrolyte are prone to leakage, combustion, explosion and other dangerous accidents. To solve these problems, the solid gel separator prepared by polyvinylidene fluoride - six fluoropropene (PVDF-HFP) is used in this work improve safety stability of lithium supercapacitors. The PVDF-HFP based was replace commercial capacitor. solid-state supercapacitor match...

The use of calcium hydroxide has widely spread in recent decades due to its easy availability and use, its low cost, and the fact that it is often used in cases of apexification, showing great success in inducing an apical hard tissue barrier in the immature open apex. Its effectiveness has been demonstrated by clinical studies and long-term success rates ranging between 74% and 100%. The apexi...

Among abiotic stresses, salinity has been increasing over the time for many reasons like using chemical fertilizers, global warming and rising sea levels. Under salinity stress, the loss of water availability, toxicity of Na+ and ion imbalance directly reduces carbon fixation and biomass production in plants. K+ is a major agent that can counteract Na+ stresses, thus the potential of plants to ...

We present for the ®rst time a statistical study of 350 keV ion events of a magnetospheric origin upstream from Earth's bow shock. The statistical analysis of the 50±220 keV ion events observed by the IMP-8 spacecraft shows: (1) a dawn±dusk asymmetry in ion distributions, with most events and lower intensities upstream from the quasi-parallel pre-dawn side (4 LT± 6 LT) of the bow shock, (2) hig...

Aortic valve stenosis represents an important public health problem which can be treated through transcatheter aortic valve implantation. Being a quite recent technology, many aspects related to such a minimallyinvasive procedure need further investigation (e.g., paravalvular leakage). The well-established finite element method represents a possible technology to study such aspects within a vir...